chizui/SpineViewer
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修复可能的null错误

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This commit is contained in:
ww-rm
2025-11-02 22:05:58 +08:00
parent cc884f7f5b
commit decbb10fcb
1 changed files with 50 additions and 30 deletions
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80
SpineViewer/Views/MainWindow.xaml.cs
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@@ -55,8 +55,19 @@ public partial class MainWindow : Window
set set
{ {
var mainTabContentHost = (ContentPresenter)_mainTabControl.Template.FindName("PART_SelectedContentHost", _mainTabControl); var mainTabContentHost = (ContentPresenter)_mainTabControl.Template.FindName("PART_SelectedContentHost", _mainTabControl);
if (mainTabContentHost is null)
{
_mainTabControl.ApplyTemplate();
mainTabContentHost = (ContentPresenter)_mainTabControl.Template.FindName("PART_SelectedContentHost", _mainTabControl);
}
if (mainTabContentHost is null)
{
_logger.Warn("Failed to set property {0}", nameof(RootGridCol0Folded));
return;
}
if ((mainTabContentHost.Visibility != Visibility.Visible) == value) if ((mainTabContentHost.Visibility != Visibility.Visible) == value)
return; return;
if (value) if (value)
{ {
// 寄存折叠前的宽度比例 // 寄存折叠前的宽度比例
@@ -167,30 +178,9 @@ public partial class MainWindow : Window
// 加载首选项 // 加载首选项
_vm.PreferenceViewModel.LoadPreference(); _vm.PreferenceViewModel.LoadPreference();
// 还原上一次用户历史状态 // 还原上一次用户历史状态并开启监听器
LoadUserState(); LoadUserState();
AddUserStateListeners();
// 添加用户状态监听器
_userStateWatchers.Add(PropertyWatcher.Watch(this, MainWindow.WidthProperty, DelayedSaveUserState));
_userStateWatchers.Add(PropertyWatcher.Watch(this, MainWindow.HeightProperty, DelayedSaveUserState));
_userStateWatchers.Add(PropertyWatcher.Watch(this, MainWindow.LeftProperty, DelayedSaveUserState));
_userStateWatchers.Add(PropertyWatcher.Watch(this, MainWindow.TopProperty, DelayedSaveUserState));
_userStateWatchers.Add(PropertyWatcher.Watch(this, MainWindow.WindowStateProperty, DelayedSaveUserState));
_userStateWatchers.Add(PropertyWatcher.Watch(_rootGrid.ColumnDefinitions[0], ColumnDefinition.WidthProperty, DelayedSaveUserState));
_userStateWatchers.Add(PropertyWatcher.Watch(_rootGrid.ColumnDefinitions[2], ColumnDefinition.WidthProperty, DelayedSaveUserState));
_userStateWatchers.Add(PropertyWatcher.Watch(_modelListGrid.RowDefinitions[0], RowDefinition.HeightProperty, DelayedSaveUserState));
_userStateWatchers.Add(PropertyWatcher.Watch(_modelListGrid.RowDefinitions[2], RowDefinition.HeightProperty, DelayedSaveUserState));
_userStateWatchers.Add(PropertyWatcher.Watch(_explorerGrid.RowDefinitions[0], RowDefinition.HeightProperty, DelayedSaveUserState));
_userStateWatchers.Add(PropertyWatcher.Watch(_explorerGrid.RowDefinitions[2], RowDefinition.HeightProperty, DelayedSaveUserState));
_userStateWatchers.Add(PropertyWatcher.Watch(_rightPanelGrid.RowDefinitions[0], RowDefinition.HeightProperty, DelayedSaveUserState));
_userStateWatchers.Add(PropertyWatcher.Watch(_rightPanelGrid.RowDefinitions[2], RowDefinition.HeightProperty, DelayedSaveUserState));
_vm.ExplorerListViewModel.PropertyChanged += ExplorerListUserStateChanged;
_vm.SFMLRendererViewModel.PropertyChanged += SFMLRendererUserStateChanged;
} }
private void MainWindow_ContentRendered(object? sender, EventArgs e) private void MainWindow_ContentRendered(object? sender, EventArgs e)
@@ -230,15 +220,10 @@ public partial class MainWindow : Window
} }
} }
// 保存当前用户状态 // 移除监听器并保存当前用户状态
RemoveUserStateListensers();
SaveUserState(); SaveUserState();
// 撤除所有状态监听器
_vm.SFMLRendererViewModel.PropertyChanged -= SFMLRendererUserStateChanged;
_vm.ExplorerListViewModel.PropertyChanged -= ExplorerListUserStateChanged;
foreach (var w in _userStateWatchers) w.Dispose();
_userStateWatchers.Clear();
_vm.SFMLRendererViewModel.StopRender(); _vm.SFMLRendererViewModel.StopRender();
} }
@@ -362,6 +347,41 @@ public partial class MainWindow : Window
_saveUserStateTimer.Start(); _saveUserStateTimer.Start();
} }
private void AddUserStateListeners()
{
// 添加用户状态监听器
_userStateWatchers.Add(PropertyWatcher.Watch(this, MainWindow.WidthProperty, DelayedSaveUserState));
_userStateWatchers.Add(PropertyWatcher.Watch(this, MainWindow.HeightProperty, DelayedSaveUserState));
_userStateWatchers.Add(PropertyWatcher.Watch(this, MainWindow.LeftProperty, DelayedSaveUserState));
_userStateWatchers.Add(PropertyWatcher.Watch(this, MainWindow.TopProperty, DelayedSaveUserState));
_userStateWatchers.Add(PropertyWatcher.Watch(this, MainWindow.WindowStateProperty, DelayedSaveUserState));
_userStateWatchers.Add(PropertyWatcher.Watch(_rootGrid.ColumnDefinitions[0], ColumnDefinition.WidthProperty, DelayedSaveUserState));
_userStateWatchers.Add(PropertyWatcher.Watch(_rootGrid.ColumnDefinitions[2], ColumnDefinition.WidthProperty, DelayedSaveUserState));
_userStateWatchers.Add(PropertyWatcher.Watch(_modelListGrid.RowDefinitions[0], RowDefinition.HeightProperty, DelayedSaveUserState));
_userStateWatchers.Add(PropertyWatcher.Watch(_modelListGrid.RowDefinitions[2], RowDefinition.HeightProperty, DelayedSaveUserState));
_userStateWatchers.Add(PropertyWatcher.Watch(_explorerGrid.RowDefinitions[0], RowDefinition.HeightProperty, DelayedSaveUserState));
_userStateWatchers.Add(PropertyWatcher.Watch(_explorerGrid.RowDefinitions[2], RowDefinition.HeightProperty, DelayedSaveUserState));
_userStateWatchers.Add(PropertyWatcher.Watch(_rightPanelGrid.RowDefinitions[0], RowDefinition.HeightProperty, DelayedSaveUserState));
_userStateWatchers.Add(PropertyWatcher.Watch(_rightPanelGrid.RowDefinitions[2], RowDefinition.HeightProperty, DelayedSaveUserState));
_vm.ExplorerListViewModel.PropertyChanged += ExplorerListUserStateChanged;
_vm.SFMLRendererViewModel.PropertyChanged += SFMLRendererUserStateChanged;
}
private void RemoveUserStateListensers()
{
// 撤除所有状态监听器
_vm.SFMLRendererViewModel.PropertyChanged -= SFMLRendererUserStateChanged;
_vm.ExplorerListViewModel.PropertyChanged -= ExplorerListUserStateChanged;
foreach (var w in _userStateWatchers) w.Dispose();
_userStateWatchers.Clear();
}
private void ExplorerListUserStateChanged(object? sender, PropertyChangedEventArgs e) private void ExplorerListUserStateChanged(object? sender, PropertyChangedEventArgs e)
{ {
switch (e.PropertyName) switch (e.PropertyName)